22320323211 has 4 divisors (see below), whose sum is σ = 29760430952. Its totient is φ = 14880215472.

The previous prime is 22320323191. The next prime is 22320323239. The reversal of 22320323211 is 11232302322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22320323211 - 2⁶ = 22320323147 is a prime.

It is a super-3 number, since 3×22320323211³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22320363211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3720053866 + ... + 3720053871.

It is an arithmetic number, because the mean of its divisors is an integer number (7440107738).

Almost surely, 2^22320323211 is an apocalyptic number.

22320323211 is a deficient number, since it is larger than the sum of its proper divisors (7440107741).

22320323211 is an equidigital number, since it uses as much as digits as its factorization.

22320323211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7440107740.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22320323211 its reverse (11232302322), we get a palindrome (33552625533).

The spelling of 22320323211 in words is "twenty-two billion, three hundred twenty million, three hundred twenty-three thousand, two hundred eleven".